Prosecutors say Park colluded in the criminal activities of a longtime friend and confidant to manipulate government affairs and extort businesses.
As the final contest of 2016 winds down in deep red Louisiana, it does not look hopeful for Foster Campbell, Democrats' last chance for a Senate seat.
Members of parliament voted by secret ballot with 234 in favor and 56 opposed to Park Geun-hye's ouster.
Ronald Bert Smith Jr. clenched his fists and raised his head at the beginning of the execution. The state's correction's chief said protocol was followed.
The Supreme Court earlier issued two temporary delays in the execution of Ronald Bert Smith Jr., convicted in the shooting death of a store clerk.